Timing Chain: Service and Repair

2010 Chevy Truck Equinox FWD L4-2.4L Copyright ? 2013, ALLDATA 10.52 Page 1

Timing Chain: Service and Repair

Camshaft Timing Chain, Sprocket, and Tensioner Replacement Special Tools

* EN-45027 - Tensioner Tool * EN-45059 - Angle Meter For equivalent regional tools, refer to Special Tools (See: Tools and Equipment/Special Tools). Removal Procedure

1. Remove the number 1 cylinder spark plug. Refer to Spark Plug Replacement (See: Tune-up and Engine Performance Checks/Spark Plug/Service and Repair).

2. Rotate the crankshaft in the engine rotational direction clockwise, until the number 1 piston is at top dead center (TDC) on the exhaust stroke. 3. Remove the camshaft cover. Refer to Camshaft Cover Replacement (See: Cylinder Head Assembly/Valve Cover/Service and Repair). 4. Remove the engine front cover. Refer to Engine Front Cover Replacement (See: Timing Cover/Service and Repair). 5. Remove the upper timing chain guide bolts and guide.

2010 Chevy Truck Equinox FWD L4-2.4L Copyright ? 2013, ALLDATA 10.52 Page 2

Note: The timing chain tensioner must be removed to unload chain tension before the timing chain is removed. If it is not, the timing chain will become cocked and it will be difficult to remove. 6. Remove the timing chain tensioner.

7. Install a 24 mm wrench on the hex on the exhaust camshaft in order to hold the camshaft. 8. Remove and discard the exhaust camshaft actuator bolt (2). 9. Remove the exhaust camshaft actuator (1, 3) from the camshaft and timing chain.

2010 Chevy Truck Equinox FWD L4-2.4L Copyright ? 2013, ALLDATA 10.52 Page 3 10. Remove the timing chain tensioner guide bolt and guide. 11. Remove the fixed timing chain guide access plug.

2010 Chevy Truck Equinox FWD L4-2.4L Copyright ? 2013, ALLDATA 10.52 12. Remove the fixed timing chain guide bolts and guide.

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13. Install a 24 mm wrench on the hex on the intake camshaft in order to hold the camshaft. 14. Remove and discard the intake camshaft actuator bolt (2). 15. Remove the intake camshaft actuator (3), and the timing chain through the top of the cylinder head.

16. Remove the crankshaft sprocket (2) and friction washers (1), if equipped.

2010 Chevy Truck Equinox FWD L4-2.4L Copyright ? 2013, ALLDATA 10.52 Page 5

17. If replacing the balance shaft timing chain and sprocket, perform the following steps, if not proceed to step 10 in the installation procedure. 18. Remove the balance shaft drive chain tensioner bolts and tensioner.

19. Remove the adjustable balance shaft chain guide bolt and guide.

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